Mode of Transmission of Plague

Plague is transmitted from animal to animal and from animal to human by the bites of infective fleas. Less frequently, the organism enters through a break in the skin by direct contact with tissue or body fluids of a plague–infected animal, for instance, in the process of skinning a rabbit or other animal. Plague is also transmitted by inhaling infected droplets expelled by coughing, by a person or animal, especially domestic cats, with pneumonic plague. Transmission of plague from person to person is uncommon and has not been observed in India since 1995 but does occur as an important factor in plague epidemics in some developing countries.

Plague Bacteria in Blood Smear

Fleas become infected by feeding on rodents, such as the chipmunks, prairie dogs, ground squirrels, mice, and other mammals that are infected with the bacteria Yersinia pestis. Fleas transmit the plague bacteria to humans and other mammals during the feeding process. The plague bacteria are maintained in the blood systems of rodents.

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Plague

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aarogya.com aims to be India’s leading comprehensive health information portal. The site has sections, which cover almost all the medical specialties and give useful information on various diseases. To enhance its reach, the content is available in Indian languages too. We were the first health website to introduce online support groups. Addiction support and Epilepsy support are examples of some very active and vibrant communities.